Fix test names to reflect their actual purpose

Both tests did expect a name change to result in an empty table diff in
the past. When index renaming support was introduced the name of the
test was not changed to reflect the new expectation.

Signed-off-by: Christoph Krapp <christoph.krapp@power.cloud>

tests/Schema/AbstractComparatorTestCase.php

@@ -345,7 +345,7 @@ public function testCompareColumnCompareCaseInsensitive(): void
         self::assertTrue($tableDiff->isEmpty());
     }
 
-    public function testCompareIndexBasedOnPropertiesNotName(): void
+    public function testDetectIndexNameChange(): void
     {
         $tableA = new Table('foo');
         $tableA->addColumn('id', Types::INTEGER);
@@ -363,7 +363,7 @@ public function testCompareIndexBasedOnPropertiesNotName(): void
         );
     }
 
-    public function testCompareForeignKeyBasedOnPropertiesNotName(): void
+    public function testDetectForeignKeyNameChange(): void
     {
         $tableA = new Table('foo');
         $tableA->addColumn('id', Types::INTEGER);